AHSGE Review

Standards 6, 7, and 8

Vocabulary Review Gametes: sex cells Binary fission: Prokaryotic (bacteria)

reproduce by making a copy of DNA. Cell Cycle: a sequence of growth and

division that a eukaryotic cell undergoes during its life time.

Mitosis: nucleus of a cell divides ensuring that each new cell receives a copy of every chromosome

Alleles: variety of traits that genes come in

Homozygous: purebred condition with 2 matching alleles

Heterozygous: two different alleles for a trait.

Genotype: the combination of alleles Phenotype: traits an organism

displays

Oral Review: Name given to the study of how traits

are passed from one generation to the next.

How many chromosomes does each human cell contain?

The gene for hairline in human codes for either a widow’s peak or a straight hairline . What are these variations in hairline referrer to as ?

Meiosis